diff options
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/hw_random/core.c | 34 | ||||
| -rw-r--r-- | drivers/char/hw_random/pasemi-rng.c | 2 | ||||
| -rw-r--r-- | drivers/char/hw_random/powernv-rng.c | 2 | ||||
| -rw-r--r-- | drivers/char/hw_random/ppc4xx-rng.c | 2 | ||||
| -rw-r--r-- | drivers/char/i8k.c | 16 | ||||
| -rw-r--r-- | drivers/char/ipmi/ipmi_si_intf.c | 4 | ||||
| -rw-r--r-- | drivers/char/misc.c | 20 | ||||
| -rw-r--r-- | drivers/char/tpm/xen-tpmfront.c | 5 | ||||
| -rw-r--r-- | drivers/char/virtio_console.c | 2 | ||||
| -rw-r--r-- | drivers/char/xillybus/xillybus_core.c | 2 | ||||
| -rw-r--r-- | drivers/char/xillybus/xillybus_of.c | 2 |
11 files changed, 46 insertions, 45 deletions
diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c index 571ef61..da8faf7 100644 --- a/drivers/char/hw_random/core.c +++ b/drivers/char/hw_random/core.c @@ -300,11 +300,14 @@ static const struct file_operations rng_chrdev_ops = { .llseek = noop_llseek, }; +static const struct attribute_group *rng_dev_groups[]; + static struct miscdevice rng_miscdev = { .minor = RNG_MISCDEV_MINOR, .name = RNG_MODULE_NAME, .nodename = "hwrng", .fops = &rng_chrdev_ops, + .groups = rng_dev_groups, }; @@ -377,37 +380,22 @@ static DEVICE_ATTR(rng_available, S_IRUGO, hwrng_attr_available_show, NULL); +static struct attribute *rng_dev_attrs[] = { + &dev_attr_rng_current.attr, + &dev_attr_rng_available.attr, + NULL +}; + +ATTRIBUTE_GROUPS(rng_dev); static void __exit unregister_miscdev(void) { - device_remove_file(rng_miscdev.this_device, &dev_attr_rng_available); - device_remove_file(rng_miscdev.this_device, &dev_attr_rng_current); misc_deregister(&rng_miscdev); } static int __init register_miscdev(void) { - int err; - - err = misc_register(&rng_miscdev); - if (err) - goto out; - err = device_create_file(rng_miscdev.this_device, - &dev_attr_rng_current); - if (err) - goto err_misc_dereg; - err = device_create_file(rng_miscdev.this_device, - &dev_attr_rng_available); - if (err) - goto err_remove_current; -out: - return err; - -err_remove_current: - device_remove_file(rng_miscdev.this_device, &dev_attr_rng_current); -err_misc_dereg: - misc_deregister(&rng_miscdev); - goto out; + return misc_register(&rng_miscdev); } static int hwrng_fillfn(void *unused) diff --git a/drivers/char/hw_random/pasemi-rng.c b/drivers/char/hw_random/pasemi-rng.c index 3eb7bdd..51cb1d5 100644 --- a/drivers/char/hw_random/pasemi-rng.c +++ b/drivers/char/hw_random/pasemi-rng.c @@ -133,7 +133,7 @@ static int rng_remove(struct platform_device *dev) return 0; } -static struct of_device_id rng_match[] = { +static const struct of_device_id rng_match[] = { { .compatible = "1682m-rng", }, { .compatible = "pasemi,pwrficient-rng", }, { }, diff --git a/drivers/char/hw_random/powernv-rng.c b/drivers/char/hw_random/powernv-rng.c index 3f4f632..263a5bb 100644 --- a/drivers/char/hw_random/powernv-rng.c +++ b/drivers/char/hw_random/powernv-rng.c @@ -61,7 +61,7 @@ static int powernv_rng_probe(struct platform_device *pdev) return 0; } -static struct of_device_id powernv_rng_match[] = { +static const struct of_device_id powernv_rng_match[] = { { .compatible = "ibm,power-rng",}, {}, }; diff --git a/drivers/char/hw_random/ppc4xx-rng.c b/drivers/char/hw_random/ppc4xx-rng.c index c85d31a..b2cfda0 100644 --- a/drivers/char/hw_random/ppc4xx-rng.c +++ b/drivers/char/hw_random/ppc4xx-rng.c @@ -123,7 +123,7 @@ static int ppc4xx_rng_remove(struct platform_device *dev) return 0; } -static struct of_device_id ppc4xx_rng_match[] = { +static const struct of_device_id ppc4xx_rng_match[] = { { .compatible = "ppc4xx-rng", }, { .compatible = "amcc,ppc460ex-rng", }, { .compatible = "amcc,ppc440epx-rng", }, diff --git a/drivers/char/i8k.c b/drivers/char/i8k.c index 24cc4ed..a43048b 100644 --- a/drivers/char/i8k.c +++ b/drivers/char/i8k.c @@ -510,13 +510,15 @@ static int i8k_proc_show(struct seq_file *seq, void *offset) * 9) AC power * 10) Fn Key status */ - return seq_printf(seq, "%s %s %s %d %d %d %d %d %d %d\n", - I8K_PROC_FMT, - bios_version, - i8k_get_dmi_data(DMI_PRODUCT_SERIAL), - cpu_temp, - left_fan, right_fan, left_speed, right_speed, - ac_power, fn_key); + seq_printf(seq, "%s %s %s %d %d %d %d %d %d %d\n", + I8K_PROC_FMT, + bios_version, + i8k_get_dmi_data(DMI_PRODUCT_SERIAL), + cpu_temp, + left_fan, right_fan, left_speed, right_speed, + ac_power, fn_key); + + return 0; } static int i8k_open_fs(struct inode *inode, struct file *file) diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c index 518585c..5e90a18 100644 --- a/drivers/char/ipmi/ipmi_si_intf.c +++ b/drivers/char/ipmi/ipmi_si_intf.c @@ -2667,7 +2667,7 @@ static struct pci_driver ipmi_pci_driver = { }; #endif /* CONFIG_PCI */ -static struct of_device_id ipmi_match[]; +static const struct of_device_id ipmi_match[]; static int ipmi_probe(struct platform_device *dev) { #ifdef CONFIG_OF @@ -2764,7 +2764,7 @@ static int ipmi_remove(struct platform_device *dev) return 0; } -static struct of_device_id ipmi_match[] = +static const struct of_device_id ipmi_match[] = { { .type = "ipmi", .compatible = "ipmi-kcs", .data = (void *)(unsigned long) SI_KCS }, diff --git a/drivers/char/misc.c b/drivers/char/misc.c index ffa97d2..9fd5a91 100644 --- a/drivers/char/misc.c +++ b/drivers/char/misc.c @@ -140,12 +140,17 @@ static int misc_open(struct inode * inode, struct file * file) goto fail; } + /* + * Place the miscdevice in the file's + * private_data so it can be used by the + * file operations, including f_op->open below + */ + file->private_data = c; + err = 0; replace_fops(file, new_fops); - if (file->f_op->open) { - file->private_data = c; + if (file->f_op->open) err = file->f_op->open(inode,file); - } fail: mutex_unlock(&misc_mtx); return err; @@ -169,7 +174,9 @@ static const struct file_operations misc_fops = { * the minor number requested is used. * * The structure passed is linked into the kernel and may not be - * destroyed until it has been unregistered. + * destroyed until it has been unregistered. By default, an open() + * syscall to the device sets file->private_data to point to the + * structure. Drivers don't need open in fops for this. * * A zero is returned on success and a negative errno code for * failure. @@ -205,8 +212,9 @@ int misc_register(struct miscdevice * misc) dev = MKDEV(MISC_MAJOR, misc->minor); - misc->this_device = device_create(misc_class, misc->parent, dev, - misc, "%s", misc->name); + misc->this_device = + device_create_with_groups(misc_class, misc->parent, dev, + misc, misc->groups, "%s", misc->name); if (IS_ERR(misc->this_device)) { int i = DYNAMIC_MINORS - misc->minor - 1; if (i < DYNAMIC_MINORS && i >= 0) diff --git a/drivers/char/tpm/xen-tpmfront.c b/drivers/char/tpm/xen-tpmfront.c index c3b4f5a..3111f27 100644 --- a/drivers/char/tpm/xen-tpmfront.c +++ b/drivers/char/tpm/xen-tpmfront.c @@ -193,6 +193,7 @@ static int setup_ring(struct xenbus_device *dev, struct tpm_private *priv) struct xenbus_transaction xbt; const char *message = NULL; int rv; + grant_ref_t gref; priv->shr = (void *)__get_free_page(GFP_KERNEL|__GFP_ZERO); if (!priv->shr) { @@ -200,11 +201,11 @@ static int setup_ring(struct xenbus_device *dev, struct tpm_private *priv) return -ENOMEM; } - rv = xenbus_grant_ring(dev, virt_to_mfn(priv->shr)); + rv = xenbus_grant_ring(dev, &priv->shr, 1, &gref); if (rv < 0) return rv; - priv->ring_ref = rv; + priv->ring_ref = gref; rv = xenbus_alloc_evtchn(dev, &priv->evtchn); if (rv) diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index 72d7028..50754d20 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -355,7 +355,7 @@ static inline bool use_multiport(struct ports_device *portdev) * early_init */ if (!portdev->vdev) - return 0; + return false; return __virtio_test_bit(portdev->vdev, VIRTIO_CONSOLE_F_MULTIPORT); } diff --git a/drivers/char/xillybus/xillybus_core.c b/drivers/char/xillybus/xillybus_core.c index b827fa0..77d6c12 100644 --- a/drivers/char/xillybus/xillybus_core.c +++ b/drivers/char/xillybus/xillybus_core.c @@ -1237,6 +1237,8 @@ static ssize_t xillybus_write(struct file *filp, const char __user *userbuf, unsigned char *tail; int i; + howmany = 0; + end_offset_plus1 = bufpos >> channel->log2_element_size; diff --git a/drivers/char/xillybus/xillybus_of.c b/drivers/char/xillybus/xillybus_of.c index 2002a3a..7818650 100644 --- a/drivers/char/xillybus/xillybus_of.c +++ b/drivers/char/xillybus/xillybus_of.c @@ -31,7 +31,7 @@ MODULE_LICENSE("GPL v2"); static const char xillyname[] = "xillybus_of"; /* Match table for of_platform binding */ -static struct of_device_id xillybus_of_match[] = { +static const struct of_device_id xillybus_of_match[] = { { .compatible = "xillybus,xillybus-1.00.a", }, { .compatible = "xlnx,xillybus-1.00.a", }, /* Deprecated */ {} |
